Bicycle frame



FIG. 1 is a front elevation view of a bicycle frame showing our new design in accordance with a first embodiment;

FIG. 2 is a rear elevation view thereof;

FIG. 3 is a top plan view thereof;

FIG. 4 is a bottom plan view thereof;

FIG. 5 is a left side elevation view thereof;

FIG. 6 is a right side elevation view thereof; and

FIG. 7 is a front and right side perspective view thereof.

FIG. 8 is a front elevation view of a bicycle showing our new design in accordance with a second embodiment;

FIG. 9 is a rear elevation view thereof;

FIG. 10 is a top plan view thereof;

FIG. 11 is a bottom plan view thereof;

FIG. 12 is a left side elevation view thereof;

FIG. 13 is a right side elevation view thereof; and

FIG. 14 is a front and right side perspective view thereof.

FIG. 15 is a front elevation view of a bicycle showing our new design in accordance with a third embodiment;

FIG. 16 is a rear elevation view thereof;

FIG. 17 is a top plan view thereof;

FIG. 18 is a bottom plan view thereof;

FIG. 19 is a left side elevation view thereof;

FIG. 20 is a right side elevation view thereof; and

FIG. 21 is a front and right side perspective view thereof.

FIG. 22 is a front elevation view of a bicycle showing our new design in accordance with a fourth embodiment;

FIG. 23 is a rear elevation view thereof;

FIG. 24 is a top plan view thereof;

FIG. 25 is a bottom plan view thereof;

FIG. 26 is a left side elevation view thereof;

FIG. 27 is a right side elevation view thereof; and

FIG. 28 is a front and right side perspective view thereof.

FIG. 29 is a front elevation view of a bicycle showing our new design in accordance with a fifth embodiment;

FIG. 30 is a rear elevation view thereof;

FIG. 31 is a top plan view thereof;

FIG. 32 is a bottom plan view thereof;

FIG. 33 is a left side elevation view thereof;

FIG. 34 is a right side elevation view thereof; and,

FIG. 35 is a front and right side perspective view thereof. 

CLAIM The ornamental design for a bicycle frame, as shown and described. 